A 1.3 * 10-5M solution of an unknown substance has an absorbance of 0.345 at its λmax. Calculate the molar absorbtivity, ℇ, of the substance at this wavelength, using a sample cell with 1.00cm path length. Then calculate the absorbance of an aqueous solution of this substance at its λmax if its concentration is 2.5 * 10-5M

A 1.3 * 10-5M solution of an unknown substance has an absorbance of 0.345 at its λmax. Calculate the molar absorbtivity, ℇ, of the substance at this wavelength, using a sample cell with 1.00cm path length. Then calculate the absorbance of an aqueous solution of this substance at its λmax if its concentration is 2.5 * 10-5M

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter14: Ultraviolet Spectroscopy, Refractive Indices, And Qualitative Instrumental Organic Analysis

Section: Chapter Questions

Problem 4Q

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